Automation System
What is the difference between integral and derivative control?

None of these
All of these
integral control has slower response to an error signal.
derivative control does not eliminate offset error
derivative control responds to a change in the rate of change in the error signal

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Automation System
Straight-line operations:

must be limited to two per workpiece
All of these
can include diagonal cuts if they aren't curved
None of these
must be parallel to one of the axes of the coordinate system

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Automation System
A semi-continuous operation means:

a computer is a required part of the machine
coffee breaks are allowed for the operator
each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
None of these
the operation is continuous each shift, but stops between shifts

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